13119919681567 has 4 divisors (see below), whose sum is σ = 13249819876536. Its totient is φ = 12990019486600.

The previous prime is 13119919681559. The next prime is 13119919681571. The reversal of 13119919681567 is 76518691991131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13119919681567 - 2³ = 13119919681559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13119919681507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64950097333 + ... + 64950097534.

It is an arithmetic number, because the mean of its divisors is an integer number (3312454969134).

Almost surely, 2^{13119919681567} is an apocalyptic number.

13119919681567 is a deficient number, since it is larger than the sum of its proper divisors (129900194969).

13119919681567 is a wasteful number, since it uses less digits than its factorization.

13119919681567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129900194968.

The product of its digits is 22044960, while the sum is 67.

The spelling of 13119919681567 in words is "thirteen trillion, one hundred nineteen billion, nine hundred nineteen million, six hundred eighty-one thousand, five hundred sixty-seven".